Global military expenditure last year rose by 2.6% to $1.98 trillion.
The five biggest spenders in 2020, which together accounted for 62% of military spending worldwide, were the United States, China, India, Russia and Britain in that order.
"We can say with some certainty that the pandemic did not have a significant impact on global military spending in 2020," Stockholm International Peace Research Institute investigator, Diego Lopes da Silva.
As a share of GDP reached a global average of 2.4% in 2020, up from 2.2% in 2019.
U.S. military expenditure reached an estimated $778 billion last year, 4.4% than in 2019. With the world's biggest defence budget, the United States accounted for 39% of total global military expenditure in 2020. It was the third consecutive year of growth in U.S. military spending.
China's military expenditure, the second highest in the world, is estimated to have totalled $252 billion in 2020, a rise of 1.9% from the previous tear. Chinese military spending has risen for 26 consecutive years